Metabolomics in functional genomics and systems biology -- The chemical challenge of the metabolome -- Sampling and sample preparation -- Analytical tools -- Data analysis -- Yeast metabolomics : the discovery of new metabolic pathways in saccharomyces cerevisiae -- Microbial metabolomics : rapid sampling techniques to investigate intracellular metabolite dynamics--an overview -- Plant metabolomics -- Mass profiling of fungal extracts from pinicillium species -- Metabolomics in humans and other mammals